Experimental design of packaging materials to withstand the impact of gravity by 5th grade students. (EJS)

Discusses the salient characteristics of APL, its relation to other popular problem-solving languages, and its uses in education as well as in general problem solving. (DE)

Reports a proof of a classical geometry problem. The proposition is - In any triangle there are two equal sides, if the angles opposite these sides have angle bisectors with equal lengths. (RP)

Revised version of speech presented at American Rehabilitation Counseling Association convention at Las Vegas, Nevada, 1969.

Research supported by research grant MH-03008 from NIMH, U.S. Public Health Service.

Early information processing strategies were examined in a study of 32 young children's search for objects. Results suggested a distinction between two aspects of the development of search: the acquisition of new search skills and the establishment of appropriate priorities among skills already in the child's repertoire. (Author/MP)

A total of 48 subjects were assigned to training conditions involving opportunities for either individual or group practice on materials either identical to or different from those used during a pretest. Posttest evaluations revealed improvements for subjects trained individually or in groups, but significant improvement was found only among…

Proposes a three-level model of cognitive processing to account for complex monitoring when individuals are faced with ill-structured problems (i.e., problems on which opposing or contradictory evidence and opinion exists). (Author/RH)

Both between- and within-group differences in children ages nine to eleven identified as having reflective or impulsive cognitive tempos. Cognitive tempo was first assessed using Kagan's Matching Familiar Figures test, and children were later tested on the Raven's Standard Progressive Matrices. (Author/RH)